<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            font-size: 28px;
        }
    </style>
</head>

<body>


    <button type="button" id="btn">queueMicrotask + setTimeout</button>

    <script>
        btn.onclick = function () {
            setTimeout(function () {
                console.log("setTimeout:callback", performance.now())
            }, 0)
            queueMicrotask(() => {
                console.log("queueMicrotask:callback", performance.now())
            })
        }

    </script>
</body>

</html>